Mystic Lake Weather Forecast

    • 49
    • 84

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 54
    • 85

    Partly Sunny

    • 48
    • 77

    Partly Sunny

    • 53
    • 76

    Chance Rain Showers

    • 57
    • 76

    Chance Rain Showers

Today 16 Sep Clare

Sunny. Highs in the lower 80s. Light Winds.

Tonight 16 Sep Clare

Mostly clear. Areas of fog after midnight. Lows in the upper 40s. Light Winds.

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  • Temperature Real-Time

Mystic Lake Temperature Statistics

September Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    59.8 °F

  • Highest 14 September, 2025

    82 °F

Climate (2020–Present)

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    58.4 °F
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